Japan Junior Mathematical Olympiad
25 problems here, rated 2.7 to 4.8 on our scale (Junior to AIME). 22 of them ask for a proof.
| # | Topic | Diff | Type | Year | |
|---|---|---|---|---|---|
| 1 | Algebra | 2.7 | answer | — | open |
| 2 | Geometry | 3.1 | answer | — | open |
| 3 | Algebra | 3.3 | proof | — | open |
| 4 | Combinatorics | 3.4 | answer | — | open |
| 5 | Number theory | 3.5 | proof | — | open |
| 6 | Combinatorics | 3.5 | proof | — | open |
| 7 | Number theory | 3.9 | proof | — | open |
| 8 | Combinatorics | 3.9 | proof | — | open |
| 9 | Geometry | 3.9 | proof | — | open |
| 10 | Algebra | 4.0 | proof | — | open |
| 11 | Geometry | 4.2 | proof | — | open |
| 12 | Geometry | 4.2 | proof | — | open |
| 13 | Geometry | 4.2 | proof | — | open |
| 14 | Geometry | 4.3 | proof | — | open |
| 15 | Number theory | 4.3 | proof | — | open |
| 16 | Algebra | 4.3 | proof | — | open |
| 17 | Geometry | 4.4 | proof | — | open |
| 18 | Geometry | 4.5 | proof | — | open |
| 19 | Geometry | 4.5 | proof | — | open |
| 20 | Geometry | 4.5 | proof | — | open |
| 21 | Combinatorics | 4.5 | proof | — | open |
| 22 | Combinatorics | 4.5 | proof | — | open |
| 23 | Combinatorics | 4.7 | proof | — | open |
| 24 | Number theory | 4.8 | proof | — | open |
| 25 | Combinatorics | 4.8 | proof | — | open |
These are sorted by difficulty within the competition, but they aren't a course.
The track is the route through, drawn from all the sources at once.